On Mon, May 23, 2022 at 06:07:16AM +0200, Hans Ulli Kroll wrote: > On Wed, 2022-05-18 at 10:23 +0200, Sascha Hauer wrote: > > This series adds support for the USB chip variants to the RTW88 driver. > > > > Hi Sascha > > glad you found some *working* devices for rtw88 ! > > I spend some of the weekend testing your driver submission. > > for rtl8821cu devices I get following output > > some Logilink device > > [ 1686.605567] usb 1-5.1.2: New USB device found, idVendor=0bda, idProduct=c811, bcdDevice= > 2.00 Most devices in the driver are described as: USB_DEVICE_AND_INTERFACE_INFO(0x0bda, 0xc82c, 0xff, 0xff, 0xff), This particular one has: USB_DEVICE(0x0bda, 0xc811), When I use USB_DEVICE() instead of USB_DEVICE_AND_INTERFACE_INFO() on my device then the Wifi driver tries to bind to the bluetooth interface on the same device which then fails with similar error messages. Maybe you have to use USB_DEVICE_AND_INTERFACE_INFO(0x0bda, 0xc811, 0xff, 0xff, 0xff) instead. I could imagine that the plain USB_DEVICE() once worked for you because the bluetooth driver was faster to probe and only left the Wifi interface free for the Wifi driver to probe. Sascha -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |
